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package kiwi.core.api.group;

import java.util.List;
import java.util.Set;

import kiwi.model.user.Group;
import kiwi.model.user.Role;
import kiwi.model.user.User;

/**
 * @author rolf, Stephanie Stroka,freddurao
 * 
 */
public interface GroupService {
	public Group createGroup(String name) throws GroupExistsException;
	public List<Group> getGroups();
	public List<Group> getAllMyGroups(User user);
	public void store(Group group);
	public void remove(Group selectedGroup);
	public void addUserToGroup(Group group, User user);
	public List<Group> getGroupsByUser(User user);
	public List<Group> getGroupsByOwner(User user);
	public Group getGroupByName(String name);
	public void addRole(Group group, String role);
	public void addRole(String name, String role);
	public void removeRole(Group group, String role);
	public void removeRole(Group group, Role role);
	public boolean hasRole(String name, String role);
	public boolean hasRole(Group group, String role);
	public void addRoleExcludeUsers(String name, String role, Set<User> excludedUsers);
	public void addRoleExcludeUsers(Group group, String role, Set<User> excludedUsers);
	public void removeRoleExcludeUsers(Group group, Role role, Set<User> excludedUsers);
	public void removeRoleExcludeUsers(Group group, String rolename,
			Set<User> excludedUsers);
	public void removeGroupFromUser(User u, Group r);
}
